Home / 4,920.08-7,382.30-2,579.53

Finding the Fourth Proportional to 4,920.08, 7,382.30 and 2,579.53

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Solution

The fourth proportional to 4,920.08, 7,382.30 and 2,579.53 is: 3,870.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.08 : 7,382.30 = 2,579.53 : x
  2. Step 2: Convert to fraction form
    4,920.08/7,382.30 = 2,579.53/x
  3. Step 3: Cross multiply
    4,920.08x = 7,382.30 × 2,579.53
  4. Step 4: Simplify right side
    4,920.08x = 19,042,864.32
  5. Step 5: Solve for x
    x = 19,042,864.32/4,920.08
  6. Step 6: Final answer
    x = 3,870.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.